Exchange 2010 SP2 Rollup 5v2 fails to install (KB2785908):
http://social.technet.microsoft.com/Forums/en-US/exchange2010/thread/7932aecb-8fa9-4a18-a605-ae6fd1020064
…and confirmed.
You’ll get a 80070643 error installing KB2785908 if KB2506143 is installed or comes down with the update rollup.
Remove 2506143 (WMF 3.0) from that server.
If you enjoyed this article, please consider sharing it!
